#!/bin/sh

#
# Copyright (C) 2007-2020 Oracle Corporation
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License (GPL) as published by the Free Software
# Foundation, in version 2 as it comes in the "COPYING" file of the
# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#

set -e

# Check environment.
if [ "${INSTALLER_TEMP}x" == "x" ]; then
    echo "Required environment variable INSTALLER_TEMP is missing. Aborting installation."
    exit 1;
fi

# Backup previously installed Extension Packs before
# installation process will completely remove previously installed
# VirtualBox distribution.
EXTPACKS_ROOT_PATH="/Applications/VirtualBox.app/Contents/MacOS/ExtensionPacks"
if [ -d "${EXTPACKS_ROOT_PATH}" ]; then
    cp -r "${EXTPACKS_ROOT_PATH}" "${INSTALLER_TEMP}"
fi

exit 0;
